Abstract

일반적으로 전통 목구조의 주요 구조 부재 단면은 상부 지붕 하중에 의한 안전율이 상당히 커서 갑작스런 붕괴가 발생되는 경우는 매우 드물다. 그러나 최근 자계서원 영귀루는 지진, 태풍 등과 같은 외부 하중이 발생되지 않은 상태에서 붕괴되었다. 본 연구는 자계서원 영귀루의 붕괴 현황을 분석하고 상부 하중에 대한 구조내력을 중심으로 검토하고자 한다. 영귀루의 붕괴 전후 현황 조사 및 붕괴 양상을 분석하고 구조해석을 통해 전면 우측부분의 기둥 지지력 상실과 상부 지붕 하중의 불균형 등에 의해 전체 구조물의 붕괴되었을 가능성을 제시하였다. 이는 향후 건축문화재 등 전통 목구조의 구조적 안정성 확보를 위한 기초자료로 제공될 수 있다. In general, the horizontal section of the beam element in traditional wooden structures has a very high safety factor as the area is comparably big so it is very rare for the building to collapse in a sudden. Recently the Younggwilu(Pavilion) in Jagyeseowon(Traditional Private School) was collapsed from its natural state without any external load factors like the earthquake or typhoon. This study is analyzing the present state of the collapsed Younggwilu building and examining the structural strength of the upper structure and roof load. Structural analysis of the building was undertaken with the collected data of the investigation for the before and after state of the building and analysis of the collapse condition. The cause of collapse could be indicated as supporting failure of the front right column and the instability of the upper roof load distribution. This research could be provided as basic data for the structural stability of the traditional wooden structures for architectural cultural heritage.

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